The principle of moisture-wicking fabrics
The principle of moisture-wicking fabrics
Moisture-wicking fabric finishing
Moisture-wicking fabric finishing, as the name suggests, makes the fabric both absorbent and quick-drying.
fiber absorbency
Moisture-wicking fabric fibers are water-absorbent. The surface of the fiber has many micropores or fibril gaps and surface grooves that communicate internally and externally, making it easy for moisture to enter between the fibers. At the same time, there are many tubular grooves or capillaries along the fiber axis, which provide channels for water migration, so the fiber has good water absorption. After absorbing water, it will not swell due to water absorption like cotton.
The moisture wicking properties of fibers depend on their chemical composition and physical structure. The gaseous moisture that evaporates from the skin surface is first absorbed by the fibrous material, a process we call hygroscopicity. Moisture is then released through the surface of the fiber material, and the liquid moisture on the skin surface is adsorbed, diffused and evaporated on the surface between the fiber materials due to the capillary effect produced by the capillaries, micropores, grooves inside the fiber, and the gaps between the fibers. , this process is a dehumidification process. The two processes result in water migration. The former is mainly related to the chemical composition of the fiber macromolecules, and the latter is related to the physical structure of the fiber.
The moisture between polyester fibers mainly relies on the attraction of a large number of microporous capillaries to be held by the fibers, or is mechanically maintained in the capillaries between the fibers. At normal ambient temperatures, the moisture is easily transported to the fiber surface and evaporates.
Moisture-wicking fabrics Fibers generally have a high specific surface area, with numerous micropores or grooves on the surface. Their cross-sections are generally special shaped. The capillary effect is used to enable the fibers to quickly absorb from the skin surface. Moisture and sweat evaporate through diffusion and transfer to the outer layer.
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